# Question

Do Pinterest shoppers and Facebook shoppers differ with respect to spending behavior? A study of browser based shopping sessions reported that Pinterest shoppers spent a mean of $ 153 per order and Facebook shoppers spent a mean of $ 85 per order. (Data extracted from bit. ly/ 14wG1YI.) Suppose that the study consisted of 500 Pinterest shoppers and 500 Facebook shoppers, and the standard deviation of the order value was $ 150 for Pinterest shoppers and $ 80 for Facebook shoppers. Assume a level of significance of 0.05.

a. Is there evidence of a difference in the variances of the order values between Pinterest shoppers and Facebook shoppers?

b. Is there evidence of a difference in the mean order value between Pinterest shoppers and Facebook shoppers?

c. Construct a 95% confidence interval estimate for the difference in mean order value between Pinterest shoppers and Facebook shoppers.

a. Is there evidence of a difference in the variances of the order values between Pinterest shoppers and Facebook shoppers?

b. Is there evidence of a difference in the mean order value between Pinterest shoppers and Facebook shoppers?

c. Construct a 95% confidence interval estimate for the difference in mean order value between Pinterest shoppers and Facebook shoppers.

## Answer to relevant Questions

The lengths of life (in hours) of a sample of 40 20 watt compact fluorescent light bulbs produced by manufacturer A and a sample of 40 20 watt compact fluorescent light bulbs produced by manufacturer B are stored in Bulbs . ...There are a very large number of mutual funds from which an investor can choose. Each mutual fund has its own mix of different types of investments. The data in BestFunds1 present the one year return for the 10 best short ...Use the following contingency table: a. Compute the expected frequency for each cell. b. Compute x2STAT. Is it significant at a = 0.05? Determine the critical value of x2 with 1 degree of freedom in each of the following circumstances: a. α = 0.05 b. α = 0.025 c. α = 0.01 What social media tools do marketers commonly use? Social Media Examiner surveyed B2B and B2C marketers who commonly use an indicated social media tool. (B2B marketers are marketers that focus primarily on attracting ...Post your question

0